secretary-general kofi annan caused nelson mandela a courageous voice. the uk prime minister called him a hero of all-time, as a predecessor stressed his practicality. >> he understood politics. this is something important to stress. i always thought he was a very shrewd politician. >> reporter: the body of mandela was transported to a military morgue. there will be a national day of prayer on sunday. a memorial at a huge soccer stadium on tuesday. and buried the following sunday in his home village. in attendance will be president obama and first lady michelle obama. former president george bush and laura and former president clinton and hillary. clinton sat down today and recalled mandela's long years in prison. >> i said, tell me how this changed you. how did you give up 27 of the best years of your life and come out a better than than you went in. he said i realized they could take everything from me except my mind and my heart. those things i would have to give them. he said, i decided not to give them away. >> reporter: all told, there are ten days